"""
@ -*- coding: utf-8 -*-
@ IDE: PyCharm
@ Author: 陈雄伟
@ DateTime: 2022/6/16 14:44 
@ FileName: my_project 
@ ProjectName:user
"""


# 店铺信息管理的视图文件
import time

from django.shortcuts import render
from django.http import HttpResponse
from myadmin.models import User
from django.core.paginator import Paginator
from django.db.models import Q
from datetime import datetime

from myadmin.models import Shop

def index(requst,pIndex=1):
    '''浏览店铺信息'''
    smod = Shop.objects
    slist = smod.filter(status__lt=9).order_by('id')
    mywhere = []
    # 获取并判断搜索条件
    kw = requst.GET.get('keyword',None)
    if kw:
        slist = slist.filter(name__contains=kw)
        mywhere.append('keyword='+kw) # 做一个条件的维持跟踪，防止搜索结果有多页的时候，点击第二页条件就失效了

    status = requst.GET.get('status','')
    if status != '':
        slist = slist.filter(status=status)
        mywhere.append('status='+status)
    # 执行分页处理
    pIndex = int(pIndex)
    page = Paginator(slist, 5)  # 以每页5条数据分页
    maxpages = page.num_pages  # 获取最大页数
    # 判断当前页是否越界
    if pIndex > maxpages:
        pIndex = maxpages
    if pIndex < 1:
        pIndex = 1
    list2 = page.page(pIndex)  # 获取当前页数据
    plist = page.page_range #获取页码列表信息

    context = {'shoplist':list2,'plist':plist,'pIndex':pIndex,'maxpages':maxpages, 'mywhere':mywhere}
    return  render(requst,'myadmin/shop/index.html',context)



def add(request):
    '''加载信息添加表单'''
    return render(request,'myadmin/shop/add.html')



def delete(request,sid):
    '''执行信息删除'''
    try:
        ob = Shop.objects.get(id = sid)
        ob.status = 9
        ob.update_at = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        ob.save()
        context = {'info':"删除成功！"}
    except Exception as err:
        print(err)
        context = {'info':"删除失败！"}
    return render(request,"myadmin/info.html",context)

def insert(request):
    '''执行信息添加'''
    try:
        # 店铺封面图片的上传处理
        myfile = request.FILES.get("cover_pic",None)
        if not myfile:
            return HttpResponse("没有店铺封面上传文件信息")
        cover_pic = str(time.time())+"."+myfile.name.split('.').pop()
        destination = open("./static/uploads/shop/"+cover_pic,"wb+")
        for chunk in myfile.chunks():      # 分块写入文件
            destination.write(chunk)
        destination.close()

        # 店铺logo图片的上传处理
        myfile = request.FILES.get("banner_pic",None)
        if not myfile:
            return HttpResponse("没有店铺logo上传文件信息")
        banner_pic = str(time.time())+"."+myfile.name.split('.').pop()
        destination = open("./static/uploads/shop/"+banner_pic,"wb+")
        for chunk in myfile.chunks():      # 分块写入文件
            destination.write(chunk)
        destination.close()

        #实例化model，封装信息，并执行添加操作
        ob = Shop()
        ob.name = request.POST['name']
        ob.address = request.POST['address']
        ob.phone = request.POST['phone']
        ob.cover_pic = cover_pic
        ob.banner_pic = banner_pic
        ob.status = 1
        ob.create_at = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        ob.update_at = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        ob.save()
        context = {'info':"添加成功！"}
    except Exception as err:
        print(err)
        context = {'info':"添加失败！"}
    return render(request,"myadmin/info.html",context)

def edit(request,sid):
    '''加载信息编辑表单'''
    try:
        ob = Shop.objects.get(id=sid)
        context = {'shop':ob}
        return render(request,'myadmin/shop/edit.html',context)
    except Exception as err:
        print(err)
        context = {'info': "没有找到要修改的信息！"}
    return render(request, "myadmin/info.html", context)


def update(request,sid):
    '''执行信息编辑'''
    try:
        ob = Shop.objects.get(id=sid)
        ob.name = request.POST['name']
        ob.address = request.POST['address']
        ob.phone = request.POST['phone']
        ob.status = request.POST['status']
        ob.update_at = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        ob.save()
        context = {'info': "修改成功！"}
    except Exception as err:
        print(err)
        context = {'info': "修改失败！"}
    return render(request, "myadmin/info.html", context)


